import java.util.Scanner;




public class T5{

	public static void main(String[] args){
	
		java.util.Scanner sc = new java.util.Scanner(System.in);
		System.out.print("a:");
	
	    int a = sc.nextInt();
	
		System.out.print("b:");
	
		int b = sc.nextInt();
		
		System.out.println("a+b=" +(a+b));
	}

	


}